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6302a78657
Windows console-window close delivers CTRL_CLOSE_EVENT, which Node/libuv maps to a JS-visible SIGHUP event. initGracefulShutdown() only listened for SIGTERM/SIGINT, so closing the window never ran cleanup() (WAL checkpoint + closeDbInstance()), leaving storage.sqlite's WAL un-checkpointed for the next launch. Separately, process.kill(pid, "SIGTERM") on win32 unconditionally force-terminates the target process instead of delivering an interceptable signal. The CLI's own stop paths (ServerSupervisor.stop() and runStopCommand()) sent it immediately on every stop, racing and beating the child's own async graceful shutdown before the WAL checkpoint could run. Fix: - src/lib/gracefulShutdown.ts: register a SIGHUP handler alongside SIGTERM/SIGINT. - src/shared/platform/windowsProcess.ts (new): stopProcessGracefully() skips the immediate SIGTERM on win32 (letting the target's own CTRL_C/CTRL_CLOSE handling run) and polls before escalating to SIGKILL; unchanged immediate SIGTERM behavior on POSIX. - bin/cli/runtime/processSupervisor.mjs and bin/cli/commands/stop.mjs: use stopProcessGracefully() instead of an unconditional process.kill(SIGTERM). Regression tests: tests/unit/graceful-shutdown-sighup-8045.test.ts (reuses the RED probe from the triage analysis) and tests/unit/windows-process-stop-8045.test.ts.